    * {
      margin: 0 auto;
      padding: 0 auto;
    }
    body {
      text-align: center;
      font-family: "Microsoft YaHei", sans-serif;
    }
    strong{
    font-weight:500;
    color:#AAA;
}
    h1, h2 {
	  margin-top: 10px;
	  font-size: 38px;
    font-weight: 100;
    color: #AAA;
    line-height: 50px;
    }
    .main {
      display: inline-block;
      width: 300px;
      color: #555;
      text-align: center;
    }
    .main .logo {
      margin: 0 auto;
      width: 160px;
      height: 74px;
      background: url(http://cdn.attach.w3cfuns.com/notes/pics/201606/11/143905zj6ld3zm2yryw9jf.png) no-repeat;
    }
    .main .title {
      margin: 30px 0 20px;
      font-weight: normal;
      font-size: 18px;
      line-height: 1;
    }
    .main .nav-tab {
      margin-bottom: 10px;
      font-size: 18px;
    }
    .main .nav-tab .nav-slider {
      display: inline-block;
      position: relative;
    }
    .main .nav-tab .nav-slider a.active {
      opacity: 1;
      color: #0f88eb;
    }
    .main .nav-tab .nav-slider a {
      display: inline-block;
      width: 4em;
      line-height: 35px;
      transition: .15s;
      text-decoration: none;
      opacity: .7;
      color: #555;
    }
    .main .nav-tab .nav-slider a:hover {s
      opacity: 1;
    }
    .nav-slider-bar {
      position: absolute;
      width: 2.4em;
      height: 2px;
      background-color: #0f88eb;
      margin: 0 .8em;
      transition: .15s ease-in;
      left: 0;
      bottom: 0;
    }
    .signup, .signin {
      font-size: 14px;
      text-align: left;
    }
    .group-inputs {
      padding: 1px 0;
      border: 1px solid #d5d5d5;
      border-radius: 3px;
    }
    .group-inputs input {
      font-family: inherit;
      border: 0;
      border-top: 1px solid #e8e8e8;
      width: 100%;
      height: 48px;
      box-sizing: border-box;
      padding: 14px 11.2px;
      outline: none;
      font-size: 14px;
    }
    .group-inputs input:first-child {
      border-top: none;
      height: 47px;
    }
    .signup button, .signin button {
      margin-top: 18px;
      background-color: #0f88eb;
      border: none;
      border-radius: 3px;
      line-height: 41px;
      color: #fff;
      width: 100%;
      font-size: 15px;
      font-family: inherit;
      cursor: pointer;
    }
    button:hover {
      opacity: .6;
    }
    .signin-other {
      margin-top: 18px;
    }
    .unable-login {
      float: right;
      color: inherit;
      text-decoration: none;
    }
